MESON Chess Problem Database
Problem Display
PID: 268536 (2R5/1p6/p2p4/rk3P2/pNN3R1/K1p3q1/2Q3nr/6BB w - - 0 1)
Chicco, Adriano
L'Italia Scacchistica, 1938
#2
9 + 10
| 15601 | Albrecht-Leiss-Degener Collection | 2023 |
SOLUTION
- SOUND
- Sets
- 1...Qe1
- 2.Sxd6#
- 1...Qh4
- 2.Sxd6#
- 1...Qf3
- 2.Sxd6#
- 1...Qh3
- 2.Sxd6#
- 1...Qxg4
- 2.Sxd6#
- 1...Sf4
- 2.Sxd6#
- 1...d5
- 2.Rc5#
- 1...Qe1
- Tries
- 1.Qb1?
- threat
- 2.Sa2#
- 2.Sc2#
- 2.Sd3#
- 2.Sd5#
- 2.Sc6#
- 1...Qxg4
- 2.Sa2#
- 2.Sc2#
- 2.Sd3#
- 2.Sd5#
- 2.Sxd6#
- 1...Qf2
- 2.Sc2#
- 1...Qe1
- 2.Sxd6#
- 1...Qf4
- 2.Sa2#
- 2.Sc2#
- 2.Sd3#
- 2.Sd5#
- 1...Qd3
- 2.Sc2#
- 2.Sxd3#
- 1...Qe3
- 2.Sa2#
- 2.Sc2#
- 2.Sd3#
- 2.Sd5#
- 1...Se1
- 2.Sc2#
- 1...Se3
- 2.Sc2#
- 1...Sf4
- 2.Sc2#
- 2.Sxd6#
- 1...Sh4
- 2.Sc2#
- 1...d5
- 2.Sa2#
- 2.Sc2#
- 2.Sd3#
- 2.Sxd5#
- 2.Sc6#
- 2.Rc5#
- 1...c2+!
- threat
- 1.Qb1?
- Keys
- 1.Sd5!
- threat
- 2.Qb1#
- 1...Qf2
- 2.Sxd6#
- 2.Sxc3#
- 1...Qe1
- 2.Sxd6#
- 1...Qd3
- 2.Sxd6#
- 1...Se1
- 2.Sc7#
- 1...Se3
- 2.Sxc3#
- 1...Sf4
- 2.Sxd6#
- 1...Sh4
- 2.Sc7#
- threat
- 1.Sd5!
This is a version
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 5
- Sets
- Q(d);N_GUARD::S(F),XP(i)
- Q(d);N_GUARD,XR(G)::S(F),XP(i)
- S(a);S_CUTQ(d)::S(F),XP(i)
- P(i);N_GUARD::R1(I)
- Tries
- Try
- Q(C);
- Threat
- DUALS(5)
- Vars
- Q(d);::QAR(C)+S(E)
- Q(d);N_GUARD::S(F),XP(i)
- S(a);::QAR(C)+S(E)
- Refutation
- P(c);CHECK
- Try
- Actual
- S(E);
- Threat
- QAR(C)
- Vars
- Q(d);N_GUARD::S(F),XP(i)
- S(a);::S(E)
- S(a);S_CUTQ(d)::S(E),XP(c)
- S(a);S_CUTQ(d)::S(F),XP(i)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).